30400411 has 4 divisors (see below), whose sum is σ = 31722192. Its totient is φ = 29078632.

The previous prime is 30400351. The next prime is 30400417. The reversal of 30400411 is 11400403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30400411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30400391 and 30400400.

It is not an unprimeable number, because it can be changed into a prime (30400417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660856 + ... + 660901.

It is an arithmetic number, because the mean of its divisors is an integer number (7930548).

Almost surely, 2^30400411 is an apocalyptic number.

30400411 is a deficient number, since it is larger than the sum of its proper divisors (1321781).

30400411 is a wasteful number, since it uses less digits than its factorization.

30400411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321780.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30400411 is about 5513.6567720525. The cubic root of 30400411 is about 312.0995566302.

Adding to 30400411 its reverse (11400403), we get a palindrome (41800814).

The spelling of 30400411 in words is "thirty million, four hundred thousand, four hundred eleven".